Finding the Fourth Proportional to 165,009.32, 227,711.52 and 89,557.82

Step by Step Solution

1. Step 1: Write the proportion equation
   165,009.32 : 227,711.52 = 89,557.82 : x
2. Step 2: Convert to fraction form
   165,009.32/227,711.52 = 89,557.82/x
3. Step 3: Cross multiply
   165,009.32x = 227,711.52 × 89,557.82
4. Step 4: Simplify right side
   165,009.32x = 20,393,347,320.09
5. Step 5: Solve for x
   x = 20,393,347,320.09/165,009.32
6. Step 6: Final answer
   x = 123,589.06